package com.hz.house.utils.wxutil;

import org.apache.commons.codec.digest.DigestUtils;

import java.util.Arrays;

public class SHA1 {

    /**
     * 用&串接arr参数，生成sha1 digest.
     */
    public static String genWithAmple(String... arr) {
        Arrays.sort(arr);
        StringBuilder sb = new StringBuilder();
        for (int i = 0; i < arr.length; i++) {
            String a = arr[i];
            sb.append(a);
            if (i != arr.length - 1) {
                sb.append('&');
            }
        }
        return DigestUtils.sha1Hex(sb.toString());
    }

}
